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Diffstat (limited to 'include/uapi/linux/io_uring/query.h')
-rw-r--r--include/uapi/linux/io_uring/query.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring/query.h b/include/uapi/linux/io_uring/query.h
new file mode 100644
index 000000000000..5d754322a27c
--- /dev/null
+++ b/include/uapi/linux/io_uring/query.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
+/*
+ * Header file for the io_uring query interface.
+ */
+#ifndef LINUX_IO_URING_QUERY_H
+#define LINUX_IO_URING_QUERY_H
+
+#include <linux/types.h>
+
+struct io_uring_query_hdr {
+ __u64 next_entry;
+ __u64 query_data;
+ __u32 query_op;
+ __u32 size;
+ __s32 result;
+ __u32 __resv[3];
+};
+
+enum {
+ IO_URING_QUERY_OPCODES = 0,
+
+ __IO_URING_QUERY_MAX,
+};
+
+/* Doesn't require a ring */
+struct io_uring_query_opcode {
+ /* The number of supported IORING_OP_* opcodes */
+ __u32 nr_request_opcodes;
+ /* The number of supported IORING_[UN]REGISTER_* opcodes */
+ __u32 nr_register_opcodes;
+ /* Bitmask of all supported IORING_FEAT_* flags */
+ __u64 feature_flags;
+ /* Bitmask of all supported IORING_SETUP_* flags */
+ __u64 ring_setup_flags;
+ /* Bitmask of all supported IORING_ENTER_** flags */
+ __u64 enter_flags;
+ /* Bitmask of all supported IOSQE_* flags */
+ __u64 sqe_flags;
+};
+
+#endif